@ARTICLE {2901,
author={J. Santos and J. M. Pedro and J. J. O.  Pires and P. Monteiro},
doi={10.1364/JON.7.000467},
journal={Journal of Optical Networking},
title={Self-Protected Long-Reach 10 Gbit/s EPONs based on a Ring Architecture},
year={2008},
month={May},
volume={7},
number={5},
pages={1-20},
ISSN={}
}